PMID: 7581148Aug 1, 1995Paper

In vitro LAK (lymphokine activated killer) activity following autologous peripheral blood stem cell is significantly greater than that following autologous bone marrow and allogeneic bone marrow transplantation

Bone Marrow Transplantation
C FeganJ A Whittaker

Abstract

LAK activity is known to increase following autologous and allogeneic bone marrow transplant and peripheral blood stem cell transplant (PBSCT). The aim of this study was to directly compare the 3 types of transplant and the LAK activity generated. LAK activity following PBSCT is significantly greater than that following autologous bone marrow transplantation and even allogeneic transplantation up to 8 weeks. The type of killer cells generated is similar for the different types of transplants, with most killing activity following PBSCT due to CD56+ cells, though CD3+ cells also contribute. This study would suggest that attempts to augment the graft-versus-leukaemia effect is more likely to be successful following PBSCT than autologous bone marrow transplantation.

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